2026-04-03T17:18:18Zhttps://recercat.cat/oai/request

oai:recercat.cat:2117/4273422026-02-07T09:43:17Zcom_2072_1033col_2072_452950

00925njm 22002777a 4500 dc Ferré, Eduard author Martinez, Bernat author Villaverde Cervantes, Martí author Gasulla Forner, Manuel author Reverter Cubarsí, Ferran author 2025-01-01 © 2025 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes,creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. In the field of energy harvesting for autonomous sensors located indoors, this article carries out an experimental evaluation of different technologies of photovoltaic (PV) modules under different types of indoor artificial lighting. The optical energy available indoors is much lower than outdoors and, in addition, the area of the PV module for a tiny sensor node is expected to be small (i.e., around 10 cm2). At such conditions, an appropriate selection of the PV technology for a given type of indoor artificial lighting is crucial, otherwise the energetic survival of the sensor node could not be guaranteed. Accordingly, this article evaluates 12 different types of PV module under four different types of artificial lighting. Overall, 48 different combinations (or module-light pairs) are tested and compared in terms of power density, efficiency, fill factor, and linearity with the aim of determining optimal pairs for indoor applications. Postprint (author's final draft) Àrees temàtiques de la UPC::Energies::Energia solar fotovoltaica::Cèl·lules solars Artificial light Intelligent sensors Probes Optical sensors Data mining Standards Optical reflection Floors Europe Biomedical optical imaging Autonomous sensor Energy harvesting Indoor applications Photovoltaic (PV) cell Smart sensor Low-area PV cells under indoor artificial lighting: a comparative study